Whirlpool MT4155SP Microwave Oven Logo
Posted on Oct 18, 2009
Answered by a Fixya Expert

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Door open button is broken, door will not open

1 Answer

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  • Expert 127 Answers
  • Posted on Oct 28, 2009
Anonymous
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Joined: Oct 24, 2009
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Door button mechanism is all behind the control panel.
there should be a couple screws holding the control panel on, you can see them when you open the door i believe.
you probably need to slide it one way or another to get it to unhook from its hidden catches..
there is the outer button you press with your hand thats available in 3 colors depending on your model #, and then the inner latch..
it will need to be checked to verify which parts are broken..
hope this helps,
best of luck,
ttfn

2 Related Answers

MicrowaveSvc

William Miller

  • 9179 Answers
  • Posted on Nov 18, 2006

SOURCE: Broken Microwaive Door

I'm assuming your correct model number is KCMS145JSS? You have a broken "release lever", part number AP3033332. It's reference number 7 on the exploded view diagram found here: http://www.appliancepartspros.com/sect/4/g/4/4g4rya32jj.gif You can order it by part number from Appliance Parts Pros here: http://tinyurl.com/gv383 If needed, you can download the owner's manual and installation guide here: http://www.kitchenaid.com/custserv/literature_search_results.jsp?searchTerm=kcms145jss If you need further help, please follow up. I appreciate your rating of this answer.

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MicrowaveSvc

William Miller

  • 9179 Answers
  • Posted on Jun 08, 2008

SOURCE: microwave door button spring broken and door wont open

What usually breaks is the door open lever.

On a counter top model, the outer cover will need to be removed to diagnose and repair this. On an over-the-range model, only the control panel needs to be removed.

Please unplug the oven first.

If you or someone you know wants to look into this, we have critical safety, disassembly, and troubleshooting info at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk

Once it is apart, you'll be able to see how the door open button would press against the door open lever, which would then lift up against the door latch heads (hook-like projections on the door) and the door should open.

You can usually find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383

We're happy to help and we appreciate your thoughtful rating of our answer.

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  1. Open leverCheck your microwave lever to determine if it is damaged. If it is broken, simply replace the lever to get your microwave door fully functional again.
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  5. Button or button springIf the microwave door will not open, it could be an internal failure of the button or button spring. If it is determined that either of these parts is the source, both are replaceable and it is recommended that they be installed at the same time.
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Open Lever

If the microwave door won't open the open lever might be broken. This part can be replaced separately.


Enter your model number to see parts for your microwave.
Help me find my model number


Door Spring

If the microwave door won't open the door spring may have broken. The door spring is located inside the door and keeps downward pressure on the door hook.


Enter your model number to see parts for your microwave.
Help me find my model number


Door Latch

If the microwave door won't open the door latch might be broken. The door latch is inside the microwave. The door hook, which is part of the door, engages with the latch to keep the door closed during operation. If the door latch or actuator breaks the door may not open.


Enter your model number to see parts for your microwave.
Help me find my model number


Door Hook

If the microwave door won't open the door hook might not be releasing properly. The door hook is installed inside the door and normally releases when the door is opened. The hook is made of plastic and will break over time. When this happens it will need to be replaced, it can't be repaired.


Enter your model number to see parts for your microwave.
Help me find my model number


Button Spring

If the microwave door won't open the button spring might be broken internally. The button spring can be replaced.


Enter your model number to see parts for your microwave.
Help me find my model number


Button

If the microwave door won't open the button might be broken internally. The button can be replaced.


Enter your model number to see parts for your microwave.
Help me find my model number


Handle Actuator

If the microwave door won't open the handle actuator might be broken. This is a plastic part which can become brittle over time. This part is connected between the door button and the door latch assembly.
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The door doesn't open

please follow the instruction and fix it. God bless you

  1. Open leverCheck your microwave lever to determine if it is damaged. If it is broken, simply replace the lever to get your microwave door fully functional again.
  2. Door springResponsible for keeping downward pressure on the door hook, the microwave door spring can begin to malfunction. If this part is broken and prevents you from opening your microwave door, replacement is necessary.
  3. Door latchOne reason your microwave door may not open properly is a broken door latch. Located inside the microwave, the door latch manipulates the door hook to keep the door closed for safety and top performance. If broken, the door could become stuck in the locked position.
  4. Door hookIf your microwave door will not release properly, the door hook could be damaged. Located inside the door, the door hook is made of plastic and prone to breakage with extended use or age. As this part is unable to be repaired, the only option is to replace it.
  5. Button or button springIf the microwave door will not open, it could be an internal failure of the button or button spring. If it is determined that either of these parts is the source, both are replaceable and it is recommended that they be installed at the same time.
  6. Handle actuatorIf the microwave door will not open the plastic handle actuator could be broken. Connected between the door button and the door latch assembly, this plastic part could become damaged and brittle over time, which makes breaking inevitable. If this occurs, replace the handle actuator to get your microwave fully functional again.

eaf8c796-5b31-4117-bba4-2463855843af.gif
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I have a amana road range microwave and the door won't close . AMV3204VAB-0

proceed according . God bless you

Open Lever


If the microwave door won't open the open lever might be broken. This part can be replaced separately.

Enter your model number to see parts for your microwave.

Help me find my model number
picunavailable175.jpg

Door Spring


If the microwave door won't open the door spring may have broken. The door spring is located inside the door and keeps downward pressure on the door hook.

Enter your model number to see parts for your microwave.

Help me find my model number
picunavailable175.jpg

Door Latch


If the microwave door won't open the door latch might be broken. The door latch is inside the microwave. The door hook, which is part of the door, engages with the latch to keep the door closed during operation. If the door latch or actuator breaks the door may not open.

Enter your model number to see parts for your microwave.

Help me find my model number
picunavailable175.jpg

Door Hook


If the microwave door won't open the door hook might not be releasing properly. The door hook is installed inside the door and normally releases when the door is opened. The hook is made of plastic and will break over time. When this happens it will need to be replaced, it can't be repaired.

Enter your model number to see parts for your microwave.

Help me find my model number
picunavailable175.jpg

Button Spring


If the microwave door won't open the button spring might be broken internally. The button spring can be replaced.

Enter your model number to see parts for your microwave.

Help me find my model number
picunavailable175.jpg

Button


If the microwave door won't open the button might be broken internally. The button can be replaced.

Enter your model number to see parts for your microwave.

Help me find my model number
picunavailable175.jpg

Handle Actuator


If the microwave door won't open the handle actuator might be broken. This is a plastic part which can become brittle over time. This part is connected between the door button and the door latch assembly.
d31f5fb8-f006-4b06-9ef7-cd77a15f3422.gif

4helpful
1answer

Door latch

see this causes and fix it. God bless you
Open Lever If the microwave door won't open the open lever might be broken. This part can be replaced separately.

Door Spring If the microwave door won't open the door spring may have broken. The door spring is located inside the door and keeps downward pressure on the door hook.

Door Latch If the microwave door won't open the door latch might be broken. The door latch is inside the microwave. The door hook, which is part of the door, engages with the latch to keep the door closed during operation. If the door latch or actuator breaks the door may not open.

Door Hook If the microwave door won't open the door hook might not be releasing properly. The door hook is installed inside the door and normally releases when the door is opened. The hook is made of plastic and will break over time. When this happens it will need to be replaced, it can't be repaired.

Button Spring If the microwave door won't open the button spring might be broken internally. The button spring can be replaced.
Button If the microwave door won't open the button might be broken internally. The button can be replaced.

Handle Actuator If the microwave door won't open the handle actuator might be broken. This is a plastic part which can become brittle over time. This part is connected between the door button and the door latch assembly.

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